#138447

order	512
nilpotency class	4
isoclinism	isoclinic class of #138406
automorphism	?
homology	Abelianization (H₁) = C₂²×C₄ · Schur multiplier (H₂) = C₂³

Aliases

No aliases for this group.

Subgroups

	subgroup	G/H
center, socle	C₂²	#1874
commutator	C₄×C₈	C₂²×C₄
Frattini, cosocle	C₂×C₄×C₈	C₂³
prime radical	C₂²×D₄	D₈
LCS	G ▷ C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁
UCS	C₁ ◁ C₂² ◁ C₂×C₄² ◁ C₂×C₈×D₄ ◁ G
LECS	G ▷ C₂×C₄×C₈ ▷ C₂×C₄ ▷ C₂ ▷ C₁

379 conjugacy classes of subgroups; only the 88 normal subgroups are shown.

normal subgroups only

This group has 379 conjugacy classes of subgroups — too many to draw. Only its 88 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degree	μ(G) = 48
transitive degree	μ_t(G) = 128

A minimal faithful permutation representation — 3 generators on 48 points:

(1,2,5,8,6,10,4,9)(3,11,13,15,14,16,12,7)(17,18,21,26,20,25,33,40,23,28,36,43,22,27,35,42)(19,29,31,44,37,48,47,39,32,45,46,38,30,41,34,24);(1,3)(2,7,10,15)(4,12)(5,13)(6,14)(8,11,9,16)(17,19,23,32)(18,24,28,39)(20,30,22,37)(21,34,36,47)(25,38,27,44)(26,41,43,48)(29,40,45,42)(31,33,46,35);(2,8)(4,5)(7,11)(9,10)(12,13)(15,16)(17,20,23,22)(18,25,28,27)(19,30,32,37)(21,33,36,35)(24,38,39,44)(26,40,43,42)(29,41,45,48)(31,34,46,47)

Polycyclic presentation:

2^9|a^2=f,b^2=dfhi,c^2=i,d^2=ghi,e^2=g,f^2=ghi,h^2=i,b^a=bd,c^a=ce,d^a=dg,d^b=dh,e^b=eg,f^b=fh,h^b=hi,d^c=dg,e^c=eg,f^c=fg

Conjugacy classes & character table

65 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 45643);